Flash Flood Watches in Southeast and Tennessee Valley; Critical Fire Weather in California; Severe Weather in Upper Midwest

Flash flood watches are in effect today in parts of the Southeast and Tennessee Valley from organized areas of heavy to excessive rainfall. Meanwhile, critical fire weather conditions are likely across northern California with offshore winds and dry conditions. Finally, a strong cold front will produce severe thunderstorms across the Upper to Mid Mississippi Valley.
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Chicago, IL Local Forecast Office

6NM ESE Chicago IL

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Chance Thunderstorms

    S 25km/h
    < 1m

    High: 25 °C

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Showers Likely

    S 35km/h
    < 1m

    Low: 19 °C

    Small Craft Advisory
    Small Craft Advisory

  • Tuesday

    Showers Likely

    N 30km/h
    < 1m

    High: 21 °C

  • Tuesday
    Night

    Slight Chc Showers

    N 35km/h
    1-2m

    Low: 16 °C

  • Wednesday

    Slight Chc Showers

    N 35km/h
    2m

    High: 18 °C

  • Wednesday
    Night

    Slight Chc Rain

    N 35km/h
    2m

    Low: 14 °C

  • Thursday

    Chance Rain

    N 30km/h
    1-2m

    High: 17 °C

  • Thursday
    Night

    Slight Chc Rain

    NNW 25km/h
    < 1m

    Low: 13 °C

  • Friday

    Sunny

    SW 25km/h
    < 1m

    High: 24 °C


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:15 am CDT Sep 20, 2021
Forecast Valid: 1pm CDT Sep 20, 2021-6pm CDT Sep 26, 2021

View Nearby Observations

Detailed Forecast

This Afternoon
S wind around 25 km/h, with gusts as high as 40 km/h. A chance of showers and thunderstorms. Waves 1 m or less.
Tonight
S wind 30 to 35 km/h, with gusts as high as 55 km/h. Showers likely and possibly a thunderstorm, mainly after 4am. Waves 1 m or less.
Tuesday
SSW wind 25 to 30 km/h becoming N in the afternoon. Winds could gust as high as 45 km/h. Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Waves 1 m or less.
Tuesday Night
N wind around 35 km/h, with gusts as high as 45 km/h. A slight chance of showers. Waves 1 to 2 m.
Wednesday
N wind around 35 km/h, with gusts as high as 50 km/h. A slight chance of showers before 1pm. Waves around 2 m.
Wednesday Night
N wind 30 to 35 km/h, with gusts as high as 50 km/h. A slight chance of rain after 1am. Waves around 2 m.
Thursday
N wind 25 to 30 km/h, with gusts as high as 45 km/h. A chance of rain. Waves 1 to 2 m.
Thursday Night
NNW wind 20 to 25 km/h becoming WSW after midnight. Winds could gust as high as 30 km/h. A slight chance of rain. Waves 1 m or less.
Friday
SW wind 15 to 25 km/h, with gusts as high as 35 km/h. Sunny. Waves 1 m or less.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 41.81°N 87.56°W
Last Update: 11:15 am CDT Sep 20, 2021
Forecast Valid: 1pm CDT Sep 20, 2021-6pm CDT Sep 26, 2021
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